Home / 14,768.28-20,379.78-8,054.01

Finding the Fourth Proportional to 14,768.28, 20,379.78 and 8,054.01

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Solution

The fourth proportional to 14,768.28, 20,379.78 and 8,054.01 is: 11,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,768.28 : 20,379.78 = 8,054.01 : x
  2. Step 2: Convert to fraction form
    14,768.28/20,379.78 = 8,054.01/x
  3. Step 3: Cross multiply
    14,768.28x = 20,379.78 × 8,054.01
  4. Step 4: Simplify right side
    14,768.28x = 164,138,951.92
  5. Step 5: Solve for x
    x = 164,138,951.92/14,768.28
  6. Step 6: Final answer
    x = 11,114.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.